.hvdiode-container {
            font-family: Arial, sans-serif;
            color: #3a3a3a;
            max-width: 90%;
            margin: 0 auto;
            padding: 20px;
        }
        
        .hvdiode-container h1, .hvdiode-container h2, .hvdiode-container h3 {
            color: #000;
        }
        
        .hvdiode-container h1 {
            font-size: 28px;
            margin: 30px 0 15px;
        }
        
        .hvdiode-container h2 {
            font-size: 22px;
            margin: 25px 0 12px;
        }
        
        .hvdiode-container h3 {
            font-size: 20px;
            margin: 20px 0 10px;
        }
        
        .hvdiode-container p, .hvdiode-container li {
            font-size: 16px;
            line-height: 1.6;
            margin-bottom: 12px;
        }
        
        .hvdiode-container ul {
            padding-left: 20px;
        }
        
        .hvdiode-container li {
            margin-bottom: 8px;
        }
        
        .center-img {
            display: block;
            margin: 20px auto;
            max-width: 100%;
            height: auto;
        }
        
        .product-table {
            width: 100%;
            border-collapse: collapse;
            margin: 30px auto;
        }
        
        .product-table th {
            background-color: #3a3a3a;
            color: #fff;
            font-size: 18px;
            height: 45px;
            padding: 8px;
            text-align: center;
        }
        
        .product-table td {
            border-top: 1px solid #e5e5e5;
            border-bottom: 1px solid #e5e5e5;
            font-size: 16px;
            height: 30px;
            padding: 8px;
            text-align: center;
        }
        
        .product-table tr:nth-child(odd) {
            background-color: #f8f8f8;
        }
        
        .product-table tr:hover {
            background-color: #e9e9e9;
        }
        
        .highlight {
            background-color: #e5e5e5;
            font-weight: bold;
        }
        
        .contact-link {
            color: #ba372a;
            font-weight: bold;
            text-decoration: none;
        }
        
        .section-divider {
            border-top: 1px solid #e0e0e0;
            margin: 40px 0;
        }
        
        .specs-note {
            font-size: 14px;
            background-color: #f5f5f5;
            padding: 15px;
            margin-top: 20px;
        }